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Subset of rows containing NA (missing) values in a chosen column of a data frame
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
What exactly are late static bindings in PHP?
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The static keyword is used in a Singleton design pattern.
See link: https://refactoring.guru/design-patterns/singleton/php/example
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How to achieve code folding effects in Emacs?
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I down-voted for the first sentence ("Folding is generally unnecessary with emacs, as..."). I use simple folding (based on indent level) constantly to scan the structure of unfamiliar code.
– Simon Michael...
Best way to load module/class from lib folder in Rails 3?
...key patch" for existing class, it always works!
For more details , see: https://stackoverflow.com/a/6797707/445908
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How would Git handle a SHA-1 collision on a blob?
...mps such that the resulting git commit has your desired prefix.
Example: https://github.com/bradfitz/deadbeef
Daniel Dinnyes points out in the comments to 7.1 Git Tools - Revision Selection, which includes:
A higher probability exists that every member of your programming team will be attac...
:active pseudo-class doesn't work in mobile safari
... similar to the desktop. On iOS, mouse events are sent so quickly that the down or active state is never received. Therefore, the :active pseudo state is triggered only when there is a touch event set on the HTML element—for example, when ontouchstart is set on the element as follows:
<button ...
How do I write a bash script to restart a process if it dies?
...tatus is 0, it means it ended gracefully (which means you asked it to shut down somehow, and it did so successfully). In that case we don't want to restart it (we just asked it to shut down!). If the exit status is not 0, until will run the loop body, which emits an error message on STDERR and res...
How to reset a form using jQuery with .reset() method
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dear down voters, could you please tell me the reason behind your down-votes, so that I can improve my answer.
– SagarPPanchal
Feb 5 '19 at 9:51
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AWS Error Message: A conflicting conditional operation is currently in progress against this resourc
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Can Android Studio be used to run standard Java projects?
...t.
Add your code to the Java module you've just created.
Click on the drop down to the left of the run button. Click Edit Configurations...
In the new window, click on the plus sign at the top left of the window and select Application
A new application configuration should appear, enter in the detai...